Semigroup
[计] 半群
🗣️ 情景例句
I got dumped by my girlfriend.
我被女朋友甩了。
Courage and resolution are the spirit and soul of virtue.
勇敢和决心是美德的灵魂。
Letters will cost a little more, but they will certainly travel faster.
这样会稍微多花点钱，但肯定是快得多了。